<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<script src="../node_modules/vue/dist/vue.js"></script>

    <div id="app">
        精通的语言
        <input type="checkbox" v-model="language" value="java">java <br>
        <input type="checkbox" v-model="language" value="php">php <br>
        <input type="checkbox" v-model="language" value="python">python <br>
        选中了{{language.join(",")}}
    </div>
<script>
    let vm = new Vue({
        el:"#app",
        data:{
            language:[]
        }
    })
</script>
</body>
</html>